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Unified Diff: cc/trees/tree_synchronizer_unittest.cc

Issue 1801853002: Transfer LayerImpl ownership to LayerTreeImpl (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more asan. Created 4 years, 9 months ago
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Index: cc/trees/tree_synchronizer_unittest.cc
diff --git a/cc/trees/tree_synchronizer_unittest.cc b/cc/trees/tree_synchronizer_unittest.cc
index 4e3071937253c4ceb4c5b1854ec3ae53802e80c2..4b958de2f226b3120e7ccb69f1652de6088235ef 100644
--- a/cc/trees/tree_synchronizer_unittest.cc
+++ b/cc/trees/tree_synchronizer_unittest.cc
@@ -45,8 +45,7 @@ class MockLayerImpl : public LayerImpl {
private:
MockLayerImpl(LayerTreeImpl* tree_impl, int layer_id)
- : LayerImpl(tree_impl, layer_id),
- layer_impl_destruction_list_(NULL) {}
+ : LayerImpl(tree_impl, layer_id), layer_impl_destruction_list_(NULL) {}
std::vector<int>* layer_impl_destruction_list_;
};
@@ -92,19 +91,19 @@ void ExpectTreesAreIdentical(Layer* layer,
ASSERT_EQ(!!layer->mask_layer(), !!layer_impl->mask_layer());
if (layer->mask_layer()) {
SCOPED_TRACE("mask_layer");
- ExpectTreesAreIdentical(
- layer->mask_layer(), layer_impl->mask_layer(), tree_impl);
+ ExpectTreesAreIdentical(layer->mask_layer(), layer_impl->mask_layer(),
+ tree_impl);
}
ASSERT_EQ(!!layer->replica_layer(), !!layer_impl->replica_layer());
if (layer->replica_layer()) {
SCOPED_TRACE("replica_layer");
- ExpectTreesAreIdentical(
- layer->replica_layer(), layer_impl->replica_layer(), tree_impl);
+ ExpectTreesAreIdentical(layer->replica_layer(), layer_impl->replica_layer(),
+ tree_impl);
}
const LayerList& layer_children = layer->children();
- const OwnedLayerImplList& layer_impl_children = layer_impl->children();
+ const LayerImplList& layer_impl_children = layer_impl->children();
ASSERT_EQ(layer_children.size(), layer_impl_children.size());
@@ -115,9 +114,8 @@ void ExpectTreesAreIdentical(Layer* layer,
ASSERT_EQ(!!layer_scroll_children, !!layer_impl_scroll_children);
if (layer_scroll_children) {
- ASSERT_EQ(
- layer_scroll_children->size(),
- layer_impl_scroll_children->size());
+ ASSERT_EQ(layer_scroll_children->size(),
+ layer_impl_scroll_children->size());
}
const Layer* layer_scroll_parent = layer->scroll_parent();
@@ -128,9 +126,9 @@ void ExpectTreesAreIdentical(Layer* layer,
if (layer_scroll_parent) {
ASSERT_EQ(layer_scroll_parent->id(), layer_impl_scroll_parent->id());
ASSERT_TRUE(layer_scroll_parent->scroll_children()->find(layer) !=
- layer_scroll_parent->scroll_children()->end());
+ layer_scroll_parent->scroll_children()->end());
ASSERT_TRUE(layer_impl_scroll_parent->scroll_children()->find(layer_impl) !=
- layer_impl_scroll_parent->scroll_children()->end());
+ layer_impl_scroll_parent->scroll_children()->end());
}
const std::set<Layer*>* layer_clip_children = layer->clip_children();
@@ -150,8 +148,7 @@ void ExpectTreesAreIdentical(Layer* layer,
if (layer_clip_parent) {
const std::set<LayerImpl*>* clip_children_impl =
layer_impl_clip_parent->clip_children();
- const std::set<Layer*>* clip_children =
- layer_clip_parent->clip_children();
+ const std::set<Layer*>* clip_children = layer_clip_parent->clip_children();
ASSERT_EQ(layer_clip_parent->id(), layer_impl_clip_parent->id());
ASSERT_TRUE(clip_children->find(layer) != clip_children->end());
ASSERT_TRUE(clip_children_impl->find(layer_impl) !=
@@ -160,8 +157,8 @@ void ExpectTreesAreIdentical(Layer* layer,
for (size_t i = 0; i < layer_children.size(); ++i) {
SCOPED_TRACE(base::StringPrintf("child layer %" PRIuS, i).c_str());
- ExpectTreesAreIdentical(layer_children[i].get(),
- layer_impl_children[i].get(), tree_impl);
+ ExpectTreesAreIdentical(layer_children[i].get(), layer_impl_children[i],
+ tree_impl);
}
}
@@ -198,11 +195,9 @@ class TreeSynchronizerTest : public testing::Test {
// Attempts to synchronizes a null tree. This should not crash, and should
// return a null tree.
TEST_F(TreeSynchronizerTest, SyncNullTree) {
- scoped_ptr<LayerImpl> layer_impl_tree_root =
- TreeSynchronizer::SynchronizeTrees(
- static_cast<Layer*>(NULL), nullptr, host_->active_tree());
-
- EXPECT_TRUE(!layer_impl_tree_root.get());
+ TreeSynchronizer::SynchronizeTrees(static_cast<Layer*>(NULL),
+ host_->active_tree());
+ EXPECT_TRUE(!host_->active_tree()->root_layer());
}
// Constructs a very simple tree and synchronizes it without trying to reuse any
@@ -214,12 +209,11 @@ TEST_F(TreeSynchronizerTest, SyncSimpleTreeFromEmpty) {
host_->SetRootLayer(layer_tree_root);
- scoped_ptr<LayerImpl> layer_impl_tree_root =
- TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), nullptr, host_->active_tree());
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ host_->active_tree()->root_layer(),
host_->active_tree());
}
@@ -235,11 +229,10 @@ TEST_F(TreeSynchronizerTest, SyncSimpleTreeReusingLayers) {
host_->SetRootLayer(layer_tree_root);
- scoped_ptr<LayerImpl> layer_impl_tree_root =
- TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), nullptr, host_->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
+ LayerImpl* layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
// We have to push properties to pick up the destruction list pointer.
@@ -255,15 +248,17 @@ TEST_F(TreeSynchronizerTest, SyncSimpleTreeReusingLayers) {
// Synchronize again. After the sync the trees should be equivalent and we
// should have created and destroyed one LayerImpl.
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
+ layer_impl_tree_root = host_->active_tree()->root_layer();
+
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
ASSERT_EQ(1u, layer_impl_destruction_list.size());
EXPECT_EQ(second_layer_impl_id, layer_impl_destruction_list[0]);
+
+ host_->active_tree()->ClearLayers();
}
// Constructs a very simple tree and checks that a stacking-order change is
@@ -281,8 +276,8 @@ TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndTrackStackingOrderChange) {
host_->SetRootLayer(layer_tree_root);
- host_->active_tree()->SetRootLayer(TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), nullptr, host_->active_tree()));
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
LayerImpl* layer_impl_tree_root = host_->active_tree()->root_layer();
ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
@@ -297,9 +292,8 @@ TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndTrackStackingOrderChange) {
// re-insert the layer and sync again.
child2->RemoveFromParent();
layer_tree_root->AddChild(child2);
- host_->active_tree()->SetRootLayer(TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), host_->active_tree()->DetachLayerTree(),
- host_->active_tree()));
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
layer_impl_tree_root = host_->active_tree()->root_layer();
ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
@@ -311,7 +305,7 @@ TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndTrackStackingOrderChange) {
EXPECT_FALSE(layer_impl_tree_root->LayerPropertyChanged());
EXPECT_FALSE(layer_impl_tree_root->children()[0]->LayerPropertyChanged());
EXPECT_TRUE(layer_impl_tree_root->children()[1]->LayerPropertyChanged());
- host_->active_tree()->DetachLayerTree();
+ host_->active_tree()->ClearLayers();
}
TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndProperties) {
@@ -333,11 +327,10 @@ TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndProperties) {
layer_tree_root->children()[1]->SetBounds(second_child_bounds);
layer_tree_root->children()[1]->SavePaintProperties();
- scoped_ptr<LayerImpl> layer_impl_tree_root =
- TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), nullptr, host_->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
+ LayerImpl* layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
TreeSynchronizer::PushLayerProperties(layer_tree_root->layer_tree_host(),
@@ -371,23 +364,22 @@ TEST_F(TreeSynchronizerTest, ReuseLayerImplsAfterStructuralChange) {
MockLayer::Create(&layer_impl_destruction_list);
layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list));
- scoped_refptr<Layer> layer_a = layer_tree_root->children()[0].get();
+ scoped_refptr<Layer> layer_a = layer_tree_root->children()[0];
layer_a->AddChild(MockLayer::Create(&layer_impl_destruction_list));
- scoped_refptr<Layer> layer_b = layer_a->children()[0].get();
+ scoped_refptr<Layer> layer_b = layer_a->children()[0];
layer_b->AddChild(MockLayer::Create(&layer_impl_destruction_list));
- scoped_refptr<Layer> layer_c = layer_b->children()[0].get();
+ scoped_refptr<Layer> layer_c = layer_b->children()[0];
layer_b->AddChild(MockLayer::Create(&layer_impl_destruction_list));
- scoped_refptr<Layer> layer_d = layer_b->children()[1].get();
+ scoped_refptr<Layer> layer_d = layer_b->children()[1];
host_->SetRootLayer(layer_tree_root);
- scoped_ptr<LayerImpl> layer_impl_tree_root =
- TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), nullptr, host_->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
+ LayerImpl* layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
// We have to push properties to pick up the destruction list pointer.
@@ -410,14 +402,15 @@ TEST_F(TreeSynchronizerTest, ReuseLayerImplsAfterStructuralChange) {
// After another synchronize our trees should match and we should not have
// destroyed any LayerImpls
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
+ layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
EXPECT_EQ(0u, layer_impl_destruction_list.size());
+
+ host_->active_tree()->ClearLayers();
}
// Constructs a very simple tree, synchronizes it, then synchronizes to a
@@ -438,11 +431,10 @@ TEST_F(TreeSynchronizerTest, SyncSimpleTreeThenDestroy) {
int old_tree_first_child_layer_id = old_layer_tree_root->children()[0]->id();
int old_tree_second_child_layer_id = old_layer_tree_root->children()[1]->id();
- scoped_ptr<LayerImpl> layer_impl_tree_root =
- TreeSynchronizer::SynchronizeTrees(
- old_layer_tree_root.get(), nullptr, host_->active_tree());
- ExpectTreesAreIdentical(old_layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(old_layer_tree_root.get(),
+ host_->active_tree());
+ LayerImpl* layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(old_layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
// We have to push properties to pick up the destruction list pointer.
@@ -456,11 +448,11 @@ TEST_F(TreeSynchronizerTest, SyncSimpleTreeThenDestroy) {
// be deleted.
scoped_refptr<Layer> new_layer_tree_root = Layer::Create();
host_->SetRootLayer(new_layer_tree_root);
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- new_layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_->active_tree());
- ExpectTreesAreIdentical(new_layer_tree_root.get(),
- layer_impl_tree_root.get(),
+
+ TreeSynchronizer::SynchronizeTrees(new_layer_tree_root.get(),
+ host_->active_tree());
+ layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(new_layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
ASSERT_EQ(3u, layer_impl_destruction_list.size());
@@ -498,55 +490,53 @@ TEST_F(TreeSynchronizerTest, SyncMaskReplicaAndReplicaMaskLayers) {
scoped_refptr<Layer> replica_layer_with_mask = Layer::Create();
scoped_refptr<Layer> replica_mask_layer = Layer::Create();
replica_layer_with_mask->SetMaskLayer(replica_mask_layer.get());
- layer_tree_root->children()[2]->
- SetReplicaLayer(replica_layer_with_mask.get());
+ layer_tree_root->children()[2]->SetReplicaLayer(
+ replica_layer_with_mask.get());
host_->SetRootLayer(layer_tree_root);
- scoped_ptr<LayerImpl> layer_impl_tree_root =
- TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), nullptr, host_->active_tree());
-
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
+ LayerImpl* layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
// Remove the mask layer.
layer_tree_root->children()[0]->SetMaskLayer(NULL);
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
+ layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
// Remove the replica layer.
layer_tree_root->children()[1]->SetReplicaLayer(NULL);
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
+ layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
// Remove the replica mask.
replica_layer_with_mask->SetMaskLayer(NULL);
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_->active_tree());
+ layer_impl_tree_root = host_->active_tree()->root_layer();
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_->active_tree());
+
+ host_->active_tree()->ClearLayers();
}
TEST_F(TreeSynchronizerTest, SynchronizeScrollParent) {
LayerTreeSettings settings;
FakeImplTaskRunnerProvider task_runner_provider;
FakeRenderingStatsInstrumentation stats_instrumentation;
+ FakeLayerTreeHostImplClient impl_client;
TestSharedBitmapManager shared_bitmap_manager;
TestTaskGraphRunner task_graph_runner;
scoped_ptr<LayerTreeHostImpl> host_impl = LayerTreeHostImpl::Create(
- settings, nullptr, &task_runner_provider, &stats_instrumentation,
+ settings, &impl_client, &task_runner_provider, &stats_instrumentation,
&shared_bitmap_manager, nullptr, &task_graph_runner, 0);
scoped_refptr<Layer> layer_tree_root = Layer::Create();
@@ -561,29 +551,26 @@ TEST_F(TreeSynchronizerTest, SynchronizeScrollParent) {
layer_tree_root->children()[1]->SetScrollParent(scroll_parent.get());
layer_tree_root->children()[2]->SetScrollParent(scroll_parent.get());
- scoped_ptr<LayerImpl> layer_impl_tree_root =
- TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), nullptr, host_impl->active_tree());
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_impl->active_tree());
+ LayerImpl* layer_impl_tree_root = host_impl->active_tree()->root_layer();
TreeSynchronizer::PushLayerProperties(layer_tree_root->layer_tree_host(),
host_impl->active_tree());
{
SCOPED_TRACE("case one");
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_impl->active_tree());
}
// Remove the first scroll child.
layer_tree_root->children()[1]->RemoveFromParent();
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_impl->active_tree());
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_impl->active_tree());
TreeSynchronizer::PushLayerProperties(layer_tree_root->layer_tree_host(),
host_impl->active_tree());
{
SCOPED_TRACE("case two");
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_impl->active_tree());
}
@@ -591,15 +578,13 @@ TEST_F(TreeSynchronizerTest, SynchronizeScrollParent) {
scoped_refptr<Layer> additional_scroll_child = Layer::Create();
layer_tree_root->AddChild(additional_scroll_child);
additional_scroll_child->SetScrollParent(scroll_parent.get());
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_impl->active_tree());
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_impl->active_tree());
TreeSynchronizer::PushLayerProperties(layer_tree_root->layer_tree_host(),
host_impl->active_tree());
{
SCOPED_TRACE("case three");
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_impl->active_tree());
}
}
@@ -608,10 +593,11 @@ TEST_F(TreeSynchronizerTest, SynchronizeClipParent) {
LayerTreeSettings settings;
FakeImplTaskRunnerProvider task_runner_provider;
FakeRenderingStatsInstrumentation stats_instrumentation;
+ FakeLayerTreeHostImplClient impl_client;
TestSharedBitmapManager shared_bitmap_manager;
TestTaskGraphRunner task_graph_runner;
scoped_ptr<LayerTreeHostImpl> host_impl = LayerTreeHostImpl::Create(
- settings, nullptr, &task_runner_provider, &stats_instrumentation,
+ settings, &impl_client, &task_runner_provider, &stats_instrumentation,
&shared_bitmap_manager, nullptr, &task_graph_runner, 0);
scoped_refptr<Layer> layer_tree_root = Layer::Create();
@@ -630,51 +616,44 @@ TEST_F(TreeSynchronizerTest, SynchronizeClipParent) {
clip_child1->SetClipParent(clip_parent.get());
clip_child2->SetClipParent(clip_parent.get());
- scoped_ptr<LayerImpl> layer_impl_tree_root =
- TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), nullptr, host_impl->active_tree());
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_impl->active_tree());
+ LayerImpl* layer_impl_tree_root = host_impl->active_tree()->root_layer();
TreeSynchronizer::PushLayerProperties(layer_tree_root->layer_tree_host(),
host_impl->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_impl->active_tree());
// Remove the first clip child.
clip_child1->RemoveFromParent();
clip_child1 = NULL;
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_impl->active_tree());
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_impl->active_tree());
TreeSynchronizer::PushLayerProperties(layer_tree_root->layer_tree_host(),
host_impl->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_impl->active_tree());
// Add an additional clip child.
scoped_refptr<Layer> additional_clip_child = Layer::Create();
intervening->AddChild(additional_clip_child);
additional_clip_child->SetClipParent(clip_parent.get());
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_impl->active_tree());
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_impl->active_tree());
TreeSynchronizer::PushLayerProperties(layer_tree_root->layer_tree_host(),
host_impl->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_impl->active_tree());
// Remove the nearest clipping ancestor.
clip_parent->RemoveFromParent();
clip_parent = NULL;
- layer_impl_tree_root = TreeSynchronizer::SynchronizeTrees(
- layer_tree_root.get(), std::move(layer_impl_tree_root),
- host_impl->active_tree());
+ TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(),
+ host_impl->active_tree());
TreeSynchronizer::PushLayerProperties(layer_tree_root->layer_tree_host(),
host_impl->active_tree());
- ExpectTreesAreIdentical(layer_tree_root.get(),
- layer_impl_tree_root.get(),
+ ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root,
host_impl->active_tree());
// The clip children should have been unhooked.
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